{"instruction": "You are an expert in event extraction. Please extract event types and event trigger words from the input that conform to the schema definition. Return an empty list for non-existent events. Please respond in the format of a JSON string.", "schema": ["potential therapeutic event", "adverse event"], "input": "The former patient had complained once that his visual acuity had decreased after the termination of IFN therapy, and the latter patient complained twice during IFN therapy that his visual acuity had decreased."}
{"potential therapeutic event": [], "adverse event": ["after "]}